20242371 has 8 divisors (see below), whose sum is σ = 27131904. Its totient is φ = 13423880.

The previous prime is 20242363. The next prime is 20242373. The reversal of 20242371 is 17324202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20242371 - 2³ = 20242363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20242373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17091 + ... + 18236.

It is an arithmetic number, because the mean of its divisors is an integer number (3391488).

Almost surely, 2^20242371 is an apocalyptic number.

20242371 is a deficient number, since it is larger than the sum of its proper divisors (6889533).

20242371 is a wasteful number, since it uses less digits than its factorization.

20242371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35521.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20242371 is about 4499.1522534806. The cubic root of 20242371 is about 272.5338554575.

Adding to 20242371 its reverse (17324202), we get a palindrome (37566573).

The spelling of 20242371 in words is "twenty million, two hundred forty-two thousand, three hundred seventy-one".